Home
Class 12
CHEMISTRY
A 500 g tooth paste sample has 0.2 g flu...

A 500 g tooth paste sample has 0.2 g fluoride concentration. What is the concentration of `F^-` in ppm:

A

250

B

200

C

400

D

1000

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ORGANIC COMPOUNDS CONTAINING NITROGEN

    MBD PUBLICATION|Exercise QUESTION BANK|314 Videos

  • POLYMERS

    MBD PUBLICATION|Exercise QUESTION BANK|332 Videos

Similar Questions

Explore conceptually related problems

Consider a reactions aG + bH rarr Products when the concentration of G of both reactants G and H is doubled, the rate increases by eight times. However, when concentration of G is doubled, keeping the concentration of H fixed, the rate is doubled. The over all order of the reaction is

An electronic current is passed through two solution (A ) AgNO_(3) and (B) a solution of 10g of blue vitriol in 500 mL of water using platinum electrodes separately. After 30 min it was found that 1.307g Ag was deposited . What is the concentration of Cu^(2+) after electrolysis?

At constant temperature in one litre vessel when the reaction 2SO_2 (g) ⇌ 2SO_2 (g) + O_2 (g) is at equiliberium the SO_2 concentration is 6.0 M, initial concentration of SO_3 is 1 M. calculate the equiliberium constant.

The H^+ ion concentration in 0.001 M acetic acid is 1.34 xx 10^-4 g ion/litre. What is the H^+ ion concentration of 0.164 g of CH_3COONa is added to a litre of 0.001 M CH 3 ​ COOH will be ?

If the system CaF_2(s) hArr Ca^(2+) + 2F^- increasing the concentration of Ca^(2+) ions 4 times will cause the equilibrium concentration of F^- ions to change to :

For a reaction 2A + B hArr C where initial concentration of A=2M B=1M and C=0 the concentration of B at equilibrium is 0.5 M calculate the value of equilibrium constant for the reaction .

Consider a certain reaction A to products, with k = 2.0 xx 10^(-2)" s"^(-1) . Calculate the concentration of A remaining after 100 s if the initial concentration of A is 1.0 mol "L"^(-1) .

2 SO_3 rarr 2SO_2 + O_2 is at equilibrium. The SO_2 concentration is 0.6 M. Initial concentration of SO_3 is 1M. The equilibrium constant is: